Astronomy college course/How big is everything?

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  • How big is everything

  • Earth and Moon

  • Earth-Moon distance

  • Terrestial planets

  • Planets

  • Planets and Sun

  • Stars larger than the Sun

From largest to smallest: Jupiter's orbit, red supergiant star Betelgeuse, Mars' orbit, Earth's orbit, star R Doradus, and orbits of Venus, Mercury. Inside R Doradus' depiction are the blue giant star Rigel and red giant star Aldebaran. The faint yellow glow around the Sun represents one light minute. Click image to see more details and links to their scales.

How old is everything?[edit | edit source]

Cosmic Calendar.png

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